/* ===== GAPKI Buku — Koleksi Buku Terbitan ===== */

.gapki-buku {
  --buku-gold: #c89b3c;
  --buku-gold-light: #e3c583;
  --buku-forest: #1a3a2a;
  --buku-forest-deep: #0f2a1a;
  --buku-cream: #faf7f0;
  --buku-paper: #f5f0e8;
  --buku-ink: #2a2a2a;
  --buku-ink-light: #5a5a5a;
  --buku-border: #e0d8c8;
  --buku-shadow: rgba(0, 0, 0, 0.12);
  font-family: inherit;
  color: var(--buku-ink);
}

.gapki-buku-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero */
.gapki-buku-hero {
  background: linear-gradient(135deg, var(--buku-forest-deep) 0%, var(--buku-forest) 60%, #2a5a3a 100%);
  color: #fff;
  padding: clamp(48px, 7vw, 80px) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.gapki-buku-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" opacity="0.05"><text x="10" y="60" font-size="50" fill="white">📚</text><text x="70" y="30" font-size="30" fill="white">📖</text><text x="40" y="80" font-size="25" fill="white">📕</text></svg>') repeat;
  pointer-events: none;
}

.gapki-buku-hero .gapki-buku-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--buku-gold-light);
  margin-bottom: 12px;
}

.gapki-buku-hero h1 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 600;
  color: #fff;
  margin: 0 0 16px;
  position: relative;
}

.gapki-buku-hero p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin: 0 auto;
  position: relative;
}

/* Section Head */
.gapki-buku-section-head {
  text-align: center;
  margin-bottom: clamp(32px, 5vw, 48px);
}

.gapki-buku-section-head .gapki-buku-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--buku-gold);
  margin-bottom: 8px;
}

.gapki-buku-section-head p {
  font-size: 1.02rem;
  color: var(--buku-ink-light);
  max-width: 560px;
  margin: 0 auto;
}

/* Shelf / Grid Buku */
.gapki-buku-shelf {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: clamp(24px, 4vw, 40px);
  padding-bottom: clamp(48px, 7vw, 80px);
}

.gapki-buku-item {
  background: var(--buku-cream);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px var(--buku-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.gapki-buku-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
}

/* Cover */
.gapki-buku-cover {
  position: relative;
  background: linear-gradient(180deg, var(--buku-paper) 0%, #ebe5d8 100%);
  padding: 24px 24px 0;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  min-height: 280px;
}

.gapki-buku-cover img {
  max-width: 200px;
  max-height: 260px;
  object-fit: contain;
  filter: drop-shadow(4px 6px 12px rgba(0, 0, 0, 0.2));
  transition: transform 0.3s ease;
}

.gapki-buku-item:hover .gapki-buku-cover img {
  transform: scale(1.03);
}

.gapki-buku-year {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--buku-forest);
  color: var(--buku-gold-light);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.05em;
}

/* Info */
.gapki-buku-info {
  padding: 20px 24px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.gapki-buku-info h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--buku-forest-deep);
  margin: 0 0 6px;
  line-height: 1.3;
}

.gapki-buku-sub {
  font-size: 0.88rem;
  color: var(--buku-gold);
  font-weight: 500;
  margin: 0 0 10px;
  line-height: 1.4;
}

.gapki-buku-excerpt {
  font-size: 0.88rem;
  color: var(--buku-ink-light);
  line-height: 1.55;
  margin: 0 0 16px;
  flex: 1;
}

.gapki-buku-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Buttons */
.gapki-btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.gapki-btn--primary {
  background: var(--buku-forest);
  color: #fff;
}

.gapki-btn--primary:hover {
  background: var(--buku-forest-deep);
  color: var(--buku-gold-light);
}

.gapki-btn--ghost {
  background: transparent;
  color: var(--buku-forest);
  border: 1.5px solid var(--buku-forest);
}

.gapki-btn--ghost:hover {
  background: var(--buku-forest);
  color: #fff;
}

/* Empty */
.gapki-buku-empty {
  text-align: center;
  padding: 60px 24px;
  color: var(--buku-ink-light);
  font-size: 1.05rem;
}

/* Admin */
.gapki-buku-admin .gba-hero {
  background: linear-gradient(135deg, var(--buku-forest-deep), var(--buku-forest));
  color: #fff;
  padding: 32px;
  border-radius: 12px;
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.gapki-buku-admin .gba-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.gapki-buku-admin .gba-stats > div {
  background: var(--buku-cream);
  padding: 20px;
  border-radius: 10px;
  text-align: center;
  border: 1px solid var(--buku-border);
}

.gapki-buku-admin .gba-stats strong {
  display: block;
  font-size: 1.8rem;
  color: var(--buku-forest);
}

.gapki-buku-admin .gba-stats span {
  font-size: 0.82rem;
  color: var(--buku-ink-light);
}

.gapki-buku-admin .gba-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 0;
  border-bottom: 2px solid var(--buku-border);
}

.gapki-buku-admin .gba-tabs button {
  padding: 12px 20px;
  background: none;
  border: none;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--buku-ink-light);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
}

.gapki-buku-admin .gba-tabs button.is-active {
  color: var(--buku-forest);
  border-bottom-color: var(--buku-forest);
}

.gapki-buku-admin .gba-panel {
  display: none;
  padding: 24px 0;
}

.gapki-buku-admin .gba-panel.is-active {
  display: block;
}

.gapki-buku-admin .gba-card {
  background: #fff;
  border: 1px solid var(--buku-border);
  border-radius: 10px;
  padding: 24px;
}

.gapki-buku-admin .gba-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.gapki-buku-admin .gba-grid {
  display: grid;
  gap: 16px;
}

.gapki-buku-admin .gba-grid.two {
  grid-template-columns: 1fr 1fr;
}

.gapki-buku-admin label {
  display: block;
  margin-bottom: 16px;
}

.gapki-buku-admin label > span {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--buku-ink);
}

.gapki-buku-admin input[type="text"],
.gapki-buku-admin input[type="url"],
.gapki-buku-admin input[type="number"],
.gapki-buku-admin select,
.gapki-buku-admin textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--buku-border);
  border-radius: 6px;
  font-size: 0.92rem;
}

.gapki-buku-admin .gba-thumb {
  width: 48px;
  height: 60px;
  object-fit: cover;
  border-radius: 4px;
}

.gapki-buku-admin .gba-status {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
}

.gapki-buku-admin .gba-status.active {
  background: #e6f5e6;
  color: #1a7a1a;
}

.gapki-buku-admin .gba-status.inactive {
  background: #f5e6e6;
  color: #7a1a1a;
}

.gapki-buku-admin .gba-inline {
  display: inline;
}

.gapki-buku-admin .gba-check {
  display: flex;
  align-items: center;
  gap: 8px;
}

.gapki-buku-admin .gba-check input {
  margin: 0;
}

.gapki-buku-admin .gba-check span {
  font-size: 0.88rem;
  font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
  .gapki-buku-shelf {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
  }

  .gapki-buku-info h3 {
    font-size: 1.05rem;
  }

  .gapki-buku-actions {
    flex-direction: column;
  }

  .gapki-btn {
    text-align: center;
  }

  .gapki-buku-admin .gba-grid.two {
    grid-template-columns: 1fr;
  }

  .gapki-buku-admin .gba-card-head {
    flex-direction: column;
    gap: 12px;
  }
}